FRISCO, Texas, Dec. 18, 2012 (GLOBE NEWSWIRE) -- OxySure® Systems, Inc. (OTCBB:OXYS) ("OxySure," or the "Company"), the medical device innovator of life-saving easy-to-use emergency oxygen solutions with its "oxygen from powder" technology today announced that the Company has completed the second year installation of OxySure/AED combination systems in various public access facilities throughout the City of Frisco.